id:A014110 - OEIS Search Results

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Number of ordered ways of writing n as a sum of 4 squares of natural numbers.

+0
4

1, 4, 6, 4, 5, 12, 12, 4, 6, 16, 18, 12, 8, 16, 24, 12, 5, 24, 30, 16, 18, 28, 24, 12, 12, 28, 42, 28, 12, 36, 48, 16, 6, 36, 42, 36, 29, 28, 48, 28, 18, 48, 60, 28, 24, 60, 48, 24, 8, 44, 72, 48, 30, 48, 84, 36, 24, 52, 54 (list; graph; listen)

	OFFSET	`0,2`
	LINKS	`T. D. Noe, Table of n, a(n) for n=0..10000` `Index entries for sequences related to sums of squares`
	FORMULA	`Coefficient of q^n in (1/16)*(1 + theta_3(0, q))^4; or coeff. of q^n in (Sum q^(i^2), i=0..inf)^4.`
	CROSSREFS	`Sequence in context: A132024 A092039 A123999 this_sequence A091651 A010711 A127018` `Adjacent sequences: A014107 A014108 A014109 this_sequence A014111 A014112 A014113`
	KEYWORD	`easy,nonn`
	AUTHOR	`Joe Keane (jgk(AT)jgk.org)`

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Last modified September 7 12:28 EDT 2008. Contains 143483 sequences.

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